/* =========================================================
   南京云上联企业管理有限公司 · 大数据标注门户
   主题：深色赛博科技风 / 全站共享样式
   ========================================================= */

:root{
  /* 色板 */
  --bg-0:#04070f;
  --bg-1:#070d1d;
  --bg-2:#0a1226;
  --panel:rgba(13,22,44,.55);
  --panel-2:rgba(18,30,58,.72);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(34,211,238,.5);
  --cyan:#22d3ee;
  --cyan-2:#00e5ff;
  --blue:#3b82f6;
  --blue-2:#60a5fa;
  --violet:#a855f7;
  --purple:#7c3aed;
  --mint:#34d399;
  --amber:#fbbf24;
  --rose:#fb7185;
  --txt:#e6f1ff;
  --txt-2:#9fb3d1;
  --txt-3:#5f7396;
  --grad:linear-gradient(120deg,#00e5ff 0%,#3b82f6 45%,#a855f7 100%);
  --grad-soft:linear-gradient(120deg,rgba(0,229,255,.16),rgba(59,130,246,.16),rgba(168,85,247,.16));
  --font-mono:"SFMono-Regular",ui-monospace,"Cascadia Mono","JetBrains Mono",Consolas,Menlo,monospace;
  --radius:18px;
  --shadow:0 18px 50px rgba(2,8,24,.55);
  --glow:0 0 22px rgba(0,229,255,.35);
  --nav-h:72px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg-0);
  color:var(--txt);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:rgba(34,211,238,.35);color:#fff}

/* 滚动条 */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-0)}
::-webkit-scrollbar-thumb{background:linear-gradient(#1b2a4a,#22365f);border-radius:10px;border:2px solid var(--bg-0)}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(#00e5ff,#3b82f6)}

/* ---------- 全局固定背景（粒子画布 + 网格 + 光晕） ---------- */
#bg-canvas{position:fixed;inset:0;z-index:0;pointer-events:none;display:block}
.grid-overlay{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(56,189,248,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.045) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 78%);
}
.glow-blob{position:fixed;border-radius:50%;filter:blur(90px);z-index:0;pointer-events:none;opacity:.5;animation:blob 26s ease-in-out infinite alternate}
.glow-blob.b1{width:520px;height:520px;background:radial-gradient(circle,rgba(0,229,255,.30),transparent 70%);top:-160px;left:-120px}
.glow-blob.b2{width:460px;height:460px;background:radial-gradient(circle,rgba(168,85,247,.30),transparent 70%);top:30%;right:-140px;animation-delay:-8s}
.glow-blob.b3{width:420px;height:420px;background:radial-gradient(circle,rgba(59,130,246,.26),transparent 70%);bottom:-180px;left:28%;animation-delay:-16s}
@keyframes blob{
  0%{transform:translate(0,0) scale(1)}
  50%{transform:translate(40px,30px) scale(1.12)}
  100%{transform:translate(-30px,-20px) scale(.94)}
}

/* ---------- 布局容器 ---------- */
.container{width:min(1180px,92%);margin:0 auto;position:relative;z-index:2}
section{padding:92px 0;position:relative;z-index:2}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:100;
  display:flex;align-items:center;
  background:rgba(4,7,15,.55);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .4s,box-shadow .4s;
}
.site-header.scrolled{background:rgba(4,7,15,.82);box-shadow:0 8px 30px rgba(0,0,0,.5)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;width:min(1180px,94%);margin:0 auto;gap:16px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--txt)}
.brand-logo{
  width:40px;height:40px;border-radius:11px;flex:none;
  background:var(--grad);
  display:grid;place-items:center;position:relative;
  box-shadow:var(--glow);
}
.brand-logo::after{content:"";position:absolute;inset:2px;border-radius:9px;border:1px solid rgba(255,255,255,.4)}
.brand-logo svg{width:22px;height:22px;color:#04121f;position:relative;z-index:1}
.brand-logo.has-img{background:#fff}
.brand-logo.has-img::after{display:none}
.brand-logo.has-img img{width:100%;height:100%;object-fit:contain;padding:6px;box-sizing:border-box;position:relative;z-index:1}
.brand-name{display:flex;flex-direction:column;line-height:1.15}
.brand-cn{font-weight:800;font-size:16px;letter-spacing:.5px}
.brand-en{font-family:var(--font-mono);font-size:10px;color:var(--cyan);letter-spacing:2px;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none}
.nav-links a{
  color:var(--txt-2);text-decoration:none;font-size:15px;font-weight:500;
  padding:9px 13px;border-radius:9px;position:relative;transition:color .25s;
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .3s;
}
.nav-links a:hover,.nav-links a.active{color:var(--cyan)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-cta{margin-left:12px}
.btn-nav{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.5px;color:#04121f;font-weight:700;
  padding:10px 18px;border-radius:10px;background:var(--grad);border:none;cursor:pointer;
  box-shadow:0 6px 20px rgba(0,229,255,.35);transition:transform .2s,box-shadow .2s;text-decoration:none;
}
.btn-nav:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,229,255,.5)}
/* 移动端汉堡 */
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:42px;height:42px;cursor:pointer;place-items:center;color:var(--cyan)}
.nav-toggle span{display:block;width:20px;height:2px;background:currentColor;margin:3px auto;border-radius:2px;transition:.3s}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:12px;
  font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;border:none;position:relative;overflow:hidden;transition:.3s;
}
.btn-primary{background:var(--grad);color:#04121f;box-shadow:0 8px 26px rgba(0,229,255,.3)}
.btn-primary::before{
  content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);
  transform:skewX(-20deg);transition:left .5s;
}
.btn-primary:hover::before{left:130%}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(0,229,255,.5)}
.btn-ghost{background:rgba(255,255,255,.03);color:var(--txt);border:1px solid var(--line-strong);backdrop-filter:blur(6px)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);box-shadow:inset 0 0 20px rgba(0,229,255,.12);transform:translateY(-3px)}
.btn-lg{padding:15px 32px;font-size:16px}
.btn-block{width:100%;justify-content:center}

/* ---------- 版心标题 ---------- */
.sec-head{text-align:center;max-width:760px;margin:0 auto 54px}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;
  letter-spacing:3px;text-transform:uppercase;color:var(--cyan);background:rgba(34,211,238,.08);
  border:1px solid var(--line);padding:6px 16px;border-radius:40px;margin-bottom:18px;
}
.sec-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:blink 1.4s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.sec-title{font-size:clamp(26px,4vw,40px);font-weight:800;line-height:1.2;letter-spacing:.5px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-sub{color:var(--txt-2);font-size:16px;margin-top:16px}
.sec-line{width:70px;height:3px;border-radius:3px;background:var(--grad);margin:20px auto 0;position:relative}
.sec-line::after{content:"";position:absolute;inset:0;filter:blur(6px);background:var(--grad)}

/* ---------- Hero ---------- */
.hero{
  min-height:100vh;display:flex;align-items:center;padding:calc(var(--nav-h) + 40px) 0 60px;
  position:relative;overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.hero-eyebrow{
  font-family:var(--font-mono);color:var(--cyan);font-size:13px;letter-spacing:3px;
  display:inline-flex;align-items:center;gap:10px;margin-bottom:22px;text-transform:uppercase;
}
.hero-eyebrow::before{content:"";width:34px;height:1px;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.hero-title{font-size:clamp(34px,5.4vw,58px);font-weight:800;line-height:1.12;letter-spacing:.5px}
.hero-title .line{display:block;overflow:hidden}
.typed-wrap{display:inline-block;min-width:1ch;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.typed-caret{display:inline-block;width:3px;height:1em;background:var(--cyan);margin-left:3px;vertical-align:-0.12em;animation:blink .8s infinite}
.hero-desc{color:var(--txt-2);font-size:17px;max-width:560px;margin:22px 0 32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:52px}
.stat-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px;text-align:center;backdrop-filter:blur(10px);transition:.35s}
.stat-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--glow)}
.stat-num{font-size:clamp(26px,3vw,36px);font-weight:800;font-family:var(--font-mono)}
.stat-label{color:var(--txt-3);font-size:13px;margin-top:4px;letter-spacing:.5px}

/* Hero 右侧视觉（终端面板） */
.hero-visual{position:relative}
.orbit{
  position:relative;aspect-ratio:1;max-width:460px;margin:0 auto;display:grid;place-items:center;
}
.orbit::before{
  content:"";position:absolute;inset:8%;border-radius:50%;
  border:1px dashed rgba(34,211,238,.35);animation:spin 34s linear infinite;
}
.orbit::after{
  content:"";position:absolute;inset:24%;border-radius:50%;
  border:1px solid rgba(168,85,247,.25);animation:spin-rev 26s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes spin-rev{to{transform:rotate(-360deg)}}
.core{
  width:62%;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;position:relative;
  background:radial-gradient(circle at 30% 30%,rgba(34,211,238,.16),rgba(59,130,246,.10) 40%,rgba(4,7,15,.9));
  border:1px solid var(--line-strong);box-shadow:0 0 60px rgba(0,229,255,.18),inset 0 0 50px rgba(0,229,255,.08);
}
.core .brand-logo{width:74px;height:74px;border-radius:20px}
.sat{position:absolute;width:52px;height:52px;border-radius:14px;background:var(--panel-2);border:1px solid var(--line);display:grid;place-items:center;color:var(--cyan);animation:floaty 5s ease-in-out infinite}
.sat.s1{top:2%;left:12%}
.sat.s2{bottom:8%;right:4%;animation-delay:-2s}
.sat.s3{bottom:26%;left:0;animation-delay:-3.4s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}

/* ---------- 服务卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.tilt-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;backdrop-filter:blur(10px);position:relative;overflow:hidden;
  transition:border-color .3s,box-shadow .3s,transform .15s;transform-style:preserve-3d;will-change:transform;
}
.tilt-card::before{
  content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:opacity .4s;
}
.tilt-card:hover{border-color:var(--line-strong);box-shadow:var(--glow)}
.tilt-card:hover::before{opacity:1}
.card-icon{
  width:52px;height:52px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;
  background:rgba(34,211,238,.10);border:1px solid var(--line-strong);color:var(--cyan);position:relative;
}
.card-icon svg{width:26px;height:26px}
.card-title{font-size:18px;font-weight:700;margin-bottom:10px;position:relative}
.card-desc{color:var(--txt-2);font-size:14px;position:relative}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;position:relative}
.tag{
  font-family:var(--font-mono);font-size:11.5px;color:var(--cyan);background:rgba(34,211,238,.08);
  border:1px solid var(--line);padding:4px 10px;border-radius:20px;letter-spacing:.3px;
}
.tag.ghost{color:var(--txt-2)}
.card-link{margin-top:16px;display:inline-flex;align-items:center;gap:6px;color:var(--cyan);font-size:13.5px;text-decoration:none;font-weight:600;position:relative}
.card-link svg{width:15px;height:15px;transition:transform .3s}
.card-link:hover svg{transform:translateX(4px)}

/* 特性/为什么选择 */
.feature-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.3s;position:relative;overflow:hidden}
.feature-item:hover{transform:translateY(-5px);border-color:var(--line-strong)}
.feature-num{font-family:var(--font-mono);font-size:34px;font-weight:800;color:transparent;-webkit-background-clip:text;background-clip:text;background-image:linear-gradient(120deg,rgba(0,229,255,.7),rgba(168,85,247,.7));opacity:.85}
.feature-title{font-weight:700;font-size:17px;margin:10px 0 8px}
.feature-desc{color:var(--txt-2);font-size:13.5px}

/* ---------- 流程 / 时间线 ---------- */
.timeline{position:relative;max-width:860px;margin:0 auto;padding-left:10px}
.timeline::before{content:"";position:absolute;left:22px;top:10px;bottom:10px;width:2px;background:linear-gradient(var(--cyan),var(--violet));opacity:.5}
.tl-item{position:relative;padding:0 0 34px 64px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:12px;top:4px;width:20px;height:20px;border-radius:50%;background:var(--bg-1);
  border:2px solid var(--cyan);box-shadow:0 0 14px var(--cyan);
}
.tl-item:nth-child(2n) .tl-dot{border-color:var(--violet);box-shadow:0 0 14px var(--violet)}
.tl-step{font-family:var(--font-mono);font-size:12px;letter-spacing:2px;color:var(--cyan);text-transform:uppercase}
.tl-title{font-size:19px;font-weight:700;margin:4px 0 6px}
.tl-desc{color:var(--txt-2);font-size:14.5px}

/* ---------- 报名 / 表单 ---------- */
.join-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.form-panel{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);padding:34px;backdrop-filter:blur(14px)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:14px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:var(--txt-2);font-weight:600}
.field label span{color:var(--rose)}
.field input,.field select,.field textarea{
  background:rgba(4,7,15,.55);border:1px solid var(--line);border-radius:10px;color:var(--txt);
  padding:12px 14px;font-size:14.5px;font-family:inherit;outline:none;transition:.25s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.14)}
.field textarea{resize:vertical;min-height:90px}
.field select option{background:var(--bg-2)}
.form-note{font-size:12.5px;color:var(--txt-3);margin-top:8px}

/* 二维码卡片 */
.qr-card{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);padding:30px;text-align:center;backdrop-filter:blur(14px);
  position:sticky;top:100px;
}
.qr-box{
  width:210px;height:210px;margin:20px auto;border-radius:16px;background:#fff;display:grid;place-items:center;position:relative;overflow:hidden;
  box-shadow:0 0 40px rgba(34,211,238,.3);
}
.qr-box img{width:100%;height:100%;object-fit:cover}
.qr-hint{font-family:var(--font-mono);font-size:12px;color:var(--amber);margin-top:10px;line-height:1.8}
.qr-tips{list-style:none;margin-top:20px;text-align:left;color:var(--txt-2);font-size:13.5px;display:grid;gap:10px}
.qr-tips li{display:flex;gap:10px;align-items:flex-start}
.qr-tips .check{color:var(--mint);flex:none}

/* ---------- 成功提示 ---------- */
.form-success{
  display:none;background:rgba(52,211,153,.08);border:1px solid rgba(52,211,153,.4);color:var(--mint);
  border-radius:12px;padding:16px 18px;font-size:14px;margin-bottom:18px;align-items:center;gap:10px;
}
.form-success.show{display:flex}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:rgba(4,7,15,.7);backdrop-filter:blur(12px);padding:56px 0 26px;margin-top:20px;position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand p{color:var(--txt-2);font-size:13.5px;margin-top:14px;max-width:280px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--grad)}
.footer-col ul{list-style:none;display:grid;gap:9px}
.footer-col a{color:var(--txt-2);text-decoration:none;font-size:13.5px;transition:.2s}
.footer-col a:hover{color:var(--cyan);padding-left:4px}
.footer-contact{display:grid;gap:10px;font-size:13.5px;color:var(--txt-2)}
.footer-contact div{display:flex;gap:10px;align-items:center}
.footer-contact svg{width:16px;height:16px;color:var(--cyan);flex:none}
/* 地址点击百度导航 */
.map-link{color:inherit;text-decoration:none;border-bottom:1px dashed rgba(34,211,238,.55);transition:color .2s,border-color .2s}
.map-link:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.map-link-nav{display:inline-flex;align-items:center;white-space:nowrap;margin-left:6px;padding:1px 8px;border-radius:999px;font-size:12px;font-weight:600;color:var(--cyan);text-decoration:none;border:1px solid rgba(34,211,238,.45);transition:background .2s,color .2s,transform .2s}
.map-link-nav:hover{background:rgba(34,211,238,.16);transform:translateX(1px)}
.info-card .map-link{border-bottom-style:solid}
.map-btn{margin-top:10px}
/* 无 JS 环境下的可爬取导航（noscript） */
.seo-noscript{max-width:1180px;margin:0 auto;padding:14px 18px;color:var(--txt-2);font-size:13px;line-height:2;background:rgba(255,255,255,.04);border-bottom:1px solid var(--line)}
.seo-noscript a{color:var(--cyan);text-decoration:none;margin-right:14px;white-space:nowrap}
.footer-bottom{border-top:1px solid var(--line);margin-top:34px;padding-top:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:var(--txt-3);font-size:12.5px}
.footer-bottom .mono{font-family:var(--font-mono);letter-spacing:1px}
.icp-link{color:var(--txt-3);text-decoration:none;transition:color .2s}
.icp-link:hover{color:var(--cyan)}

/* ---------- 面包屑 / 页首 ---------- */
.page-hero{
  padding:calc(var(--nav-h) + 60px) 0 60px;text-align:center;position:relative;
}
.crumb{font-family:var(--font-mono);font-size:12.5px;letter-spacing:1px;color:var(--txt-3);margin-top:16px;text-transform:uppercase}
.crumb a{color:var(--cyan);text-decoration:none}
.crumb a:hover{text-decoration:underline}
.page-title{font-size:clamp(30px,5vw,46px);font-weight:800;line-height:1.2;margin-top:14px}
.page-desc{color:var(--txt-2);font-size:16px;max-width:640px;margin:18px auto 0}

/* ---------- 子服务清单（服务页） ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.svc-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;
  display:flex;gap:18px;align-items:flex-start;transition:.3s;backdrop-filter:blur(8px);
}
.svc-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.svc-icon{width:46px;height:46px;flex:none;border-radius:11px;display:grid;place-items:center;background:rgba(34,211,238,.1);border:1px solid var(--line-strong);color:var(--cyan)}
.svc-icon svg{width:22px;height:22px}
.svc-name{font-weight:700;font-size:16px;margin-bottom:5px}
.svc-desc{color:var(--txt-2);font-size:13.5px}
.svc-mode{margin-top:10px;display:inline-flex;gap:6px;flex-wrap:wrap}

/* 分类导航（服务页顶部） */
.svc-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:26px}
.svc-tabs a{
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.5px;color:var(--txt-2);text-decoration:none;
  border:1px solid var(--line);border-radius:30px;padding:8px 16px;transition:.25s;background:rgba(255,255,255,.02);
}
.svc-tabs a:hover,.svc-tabs a.active{color:var(--cyan);border-color:var(--cyan);box-shadow:inset 0 0 18px rgba(34,211,238,.15)}

/* ---------- 终端面板 ---------- */
.terminal{
  background:#050d1b;border:1px solid var(--line-strong);border-radius:14px;overflow:hidden;
  box-shadow:0 18px 50px rgba(0,0,0,.5);backdrop-filter:blur(8px);
}
.term-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:rgba(255,255,255,.03);border-bottom:1px solid var(--line)}
.term-dot{width:12px;height:12px;border-radius:50%}
.term-dot.r{background:#ff5f57}.term-dot.y{background:#febc2e}.term-dot.g{background:#28c840}
.term-title{font-family:var(--font-mono);font-size:12px;color:var(--txt-3);margin-left:10px;letter-spacing:1px}
.term-body{padding:22px 22px 26px;font-family:var(--font-mono);font-size:13.5px;line-height:1.9;color:#9fe8ff;overflow:hidden}
.term-line .t-prompt{color:var(--cyan)}
.term-line .t-cyan{color:var(--cyan)}
.term-line .t-violet{color:var(--violet)}
.term-line .t-mint{color:var(--mint)}
.term-line .t-dim{color:var(--txt-3)}
.term-cursor{display:inline-block;width:9px;height:15px;background:var(--cyan);vertical-align:-2px;animation:blink 1s infinite}

/* ---------- 数据统计大条 ---------- */
.stats-band{
  background:linear-gradient(120deg,rgba(0,229,255,.08),rgba(168,85,247,.08));
  border:1px solid var(--line);border-radius:24px;padding:44px 30px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;position:relative;overflow:hidden;
}
.stats-band .sb-num{font-size:clamp(30px,4vw,44px);font-weight:800;font-family:var(--font-mono)}
.stats-band .sb-label{color:var(--txt-2);font-size:13.5px;margin-top:6px;letter-spacing:.5px}

/* ---------- CTA 区块 ---------- */
.cta-panel{
  background:var(--grad-soft);border:1px solid var(--line-strong);border-radius:26px;padding:64px 40px;text-align:center;position:relative;overflow:hidden;
}
.cta-panel::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 0%,rgba(0,229,255,.18),transparent 60%)}
.cta-title{font-size:clamp(24px,4vw,36px);font-weight:800;margin-bottom:14px;position:relative}
.cta-sub{color:var(--txt-2);font-size:15.5px;max-width:560px;margin:0 auto 30px;position:relative}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative}

/* ---------- 关于 ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.about-text .lead{font-size:17px;color:var(--txt-2);margin-bottom:18px}
.about-text p{color:var(--txt-2);font-size:15px;margin-bottom:14px}
.mission-card{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  backdrop-filter:blur(10px);position:relative;overflow:hidden;
}
.mission-card .label{font-family:var(--font-mono);font-size:12px;letter-spacing:2px;color:var(--cyan);text-transform:uppercase;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.mission-card h3{font-size:20px;font-weight:700;margin-bottom:12px}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:36px}
.info-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;gap:16px;align-items:flex-start;margin-bottom:18px;transition:.3s}
.info-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.info-card .ic-icon{width:46px;height:46px;flex:none;border-radius:11px;display:grid;place-items:center;background:rgba(34,211,238,.1);border:1px solid var(--line-strong);color:var(--cyan)}
.info-card h4{font-size:15px;font-weight:700;margin-bottom:4px}
.info-card p{color:var(--txt-2);font-size:13.5px}

/* ---------- 空态 / 通用 ---------- */
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:0}
.ghost-section{opacity:0;transform:translateY(30px)}
.ghost-section.in{opacity:1;transform:none;transition:opacity .7s ease,transform .7s ease}
.terminal-zone{max-width:860px;margin:0 auto}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .feature-row{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:400px;margin:0 auto}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .join-layout,.about-grid,.contact-grid{grid-template-columns:1fr}
  .qr-card{position:static}
  .svc-grid,.grid-3{grid-template-columns:repeat(2,1fr)}
  .stats-band{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  section{padding:64px 0}
  .nav-toggle{display:grid}
  .nav-links{
    position:fixed;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(4,7,15,.97);backdrop-filter:blur(20px);padding:18px 20px;gap:6px;
    border-bottom:1px solid var(--line);transform:translateY(-120%);opacity:0;transition:.35s;
  }
  .nav-links.open{transform:translateY(0);opacity:1}
  .nav-links a{padding:13px 14px;font-size:16px;border-radius:10px}
  .nav-cta{margin:10px 0 0;display:block}
  .btn-nav{display:block;text-align:center;width:100%}
  .grid-3,.grid-2,.svc-grid,.grid-4{grid-template-columns:1fr}
  .feature-row{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:10px}
  .hero-actions .btn{width:100%;justify-content:center}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .stats-band{grid-template-columns:repeat(2,1fr);padding:30px 18px}
  .cta-panel{padding:44px 22px}
  .timeline::before{left:12px}
  .tl-item{padding-left:44px}
  .tl-dot{left:3px;width:18px;height:18px}
}
@media(max-width:420px){
  .brand-en{display:none}
  .hero-stats{grid-template-columns:1fr}
}

/* =========================================================
   FX 增强层 · 高密度科技感特效（v2）
   背景极光 / 扫描线 / 鼠标光斑 / 滚动进度 / 卡片流光
   四角 HUD 括号 / 跑马灯 / 终端打字 / 开场 Boot / 雷达环
   ========================================================= */

/* ---------- 1. 背景多层：极光 + 扫描线 + 扫掠光 + 暗角 + 鼠标光斑 ---------- */
.fx-aurora{
  position:fixed;inset:-25%;z-index:0;pointer-events:none;
  background:
    radial-gradient(38% 34% at 18% 22%,rgba(0,229,255,.20),transparent 62%),
    radial-gradient(32% 30% at 82% 18%,rgba(168,85,247,.20),transparent 62%),
    radial-gradient(42% 38% at 62% 86%,rgba(59,130,246,.16),transparent 64%);
  filter:blur(46px);
  animation:auroraMove 30s ease-in-out infinite alternate;
}
@keyframes auroraMove{
  0%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(2%,-2.4%,0) scale(1.08)}
  100%{transform:translate3d(-2%,1.6%,0) scale(.98)}
}
.fx-scan{
  position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(180deg,rgba(56,189,248,.05) 0 1px,transparent 1px 3px);
  mix-blend-mode:screen;
}
.fx-sweep{
  position:fixed;left:0;right:0;height:190px;z-index:1;pointer-events:none;opacity:.45;
  background:linear-gradient(180deg,transparent,rgba(0,229,255,.10) 45%,transparent);
  animation:fxSweep 10s linear infinite;
}
@keyframes fxSweep{0%{transform:translateY(-22vh)}100%{transform:translateY(118vh)}}
.fx-vignette{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(ellipse at 50% 38%,transparent 42%,rgba(2,4,10,.6) 100%);
}
.fx-spot{
  position:fixed;z-index:1;pointer-events:none;width:640px;height:640px;border-radius:50%;
  left:50%;top:50%;transform:translate(-50%,-50%);opacity:0;transition:opacity .5s;
  background:radial-gradient(circle,rgba(34,211,238,.11),rgba(34,211,238,0) 62%);
}

/* ---------- 2. 顶部滚动进度条 ---------- */
.fx-progress{
  position:fixed;top:0;left:0;height:2px;width:0;z-index:300;pointer-events:none;
  background:linear-gradient(90deg,#00e5ff,#3b82f6,#a855f7);
  box-shadow:0 0 12px rgba(0,229,255,.75);
}
.fx-progress::after{
  content:"";position:absolute;right:0;top:-3px;width:70px;height:8px;border-radius:8px;
  background:#00e5ff;filter:blur(7px);opacity:.85;
}

/* ---------- 3. 页头 / 导航精修 ---------- */
.site-header.scrolled{
  background:rgba(4,7,15,.86);
  border-bottom-color:var(--line-strong);
  box-shadow:0 8px 30px rgba(0,0,0,.5),0 0 34px rgba(0,229,255,.10);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,229,255,.75),rgba(168,85,247,.6),transparent);
  opacity:0;transition:opacity .45s;
}
.site-header.scrolled::after{opacity:1}
.nav-links a:hover,.nav-links a.active{text-shadow:0 0 14px rgba(34,211,238,.55)}
.brand-logo.has-img img{transition:transform .4s ease}
.brand:hover .brand-logo.has-img img{transform:scale(1.08) rotate(-3deg)}

/* ---------- 4. 按钮：呼吸光晕 + 自动流光 ---------- */
.btn-primary{isolation:isolate}
.btn-primary::after{
  content:"";position:absolute;inset:-1px;border-radius:inherit;z-index:-1;
  background:var(--grad);filter:blur(15px);opacity:.4;animation:pulseGlow 3.2s ease-in-out infinite;
}
@keyframes pulseGlow{0%,100%{opacity:.32}50%{opacity:.72}}
.btn-ghost{position:relative;overflow:hidden}
.btn-ghost::after{
  content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(34,211,238,.28),transparent);
  transform:skewX(-20deg);transition:left .55s;
}
.btn-ghost:hover::after{left:130%}

/* ---------- 5. 版心标题：渐变流动 + 光带扫过 ---------- */
.grad-text{background-size:220% 100%;animation:gradFlow 7s linear infinite}
@keyframes gradFlow{0%{background-position:0% 50%}100%{background-position:220% 50%}}
.sec-title{text-shadow:0 0 40px rgba(0,229,255,.12)}
.sec-line{overflow:hidden}
.sec-line::before{
  content:"";position:absolute;top:0;left:0;width:24px;height:100%;
  background:#fff;filter:blur(5px);opacity:.8;animation:beamMove 3.6s ease-in-out infinite;
}
@keyframes beamMove{0%{transform:translateX(-30px)}50%{transform:translateX(74px)}100%{transform:translateX(-30px)}}
.sec-tag{position:relative;overflow:hidden}
.sec-tag::after{
  content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(0,229,255,.4),transparent);
  transform:skewX(-20deg);animation:tagShine 3.4s ease-in-out infinite;
}
@keyframes tagShine{0%{left:-60%}55%,100%{left:130%}}

/* ---------- 6. Hero：HUD 装饰 + 雷达 + 刻度环 ---------- */
.hero-title{text-shadow:0 0 60px rgba(0,229,255,.14)}
.hero-eyebrow{text-shadow:0 0 12px rgba(34,211,238,.5)}
.orbit::before{border-color:rgba(34,211,238,.45)}
.fx-ticks{
  position:absolute;inset:4%;border-radius:50%;pointer-events:none;opacity:.4;
  background:repeating-conic-gradient(from 0deg,rgba(34,211,238,.65) 0 .55deg,transparent .55deg 6deg);
  mask:radial-gradient(circle,transparent 0 47%,#000 47.5% 49.5%,transparent 50%);
  -webkit-mask:radial-gradient(circle,transparent 0 47%,#000 47.5% 49.5%,transparent 50%);
  animation:spin 70s linear infinite;
}
.fx-radar{
  position:absolute;inset:9%;border-radius:50%;pointer-events:none;opacity:.5;
  background:conic-gradient(from 0deg,rgba(0,229,255,.42),rgba(0,229,255,.05) 18%,transparent 26%,transparent 100%);
  mask:radial-gradient(circle,transparent 0 44%,#000 45%);
  -webkit-mask:radial-gradient(circle,transparent 0 44%,#000 45%);
  animation:spin 6s linear infinite;
}
.core{animation:corePulse 5s ease-in-out infinite}
@keyframes corePulse{
  0%,100%{box-shadow:0 0 60px rgba(0,229,255,.18),inset 0 0 50px rgba(0,229,255,.08)}
  50%{box-shadow:0 0 90px rgba(0,229,255,.34),inset 0 0 62px rgba(0,229,255,.14)}
}
.core::after{
  content:"";position:absolute;inset:-14%;border-radius:50%;pointer-events:none;
  border:1px solid rgba(34,211,238,.28);animation:ringPulse 3.6s ease-out infinite;
}
@keyframes ringPulse{0%{transform:scale(.86);opacity:.65}100%{transform:scale(1.18);opacity:0}}
.sat{box-shadow:0 0 24px rgba(0,229,255,.18)}

/* ---------- 7. 卡片：光标流光 + 四角 HUD 括号 + 顶部光带 ---------- */
.tilt-card,.svc-item,.info-card,.stat-card{position:relative;overflow:hidden}
.fx-glow{
  position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;
  transition:opacity .38s ease;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,50%),rgba(34,211,238,.20),rgba(168,85,247,.10) 42%,transparent 68%);
}
.fx-corners{
  position:absolute;inset:8px;border-radius:inherit;pointer-events:none;opacity:0;
  transition:opacity .32s ease,transform .32s ease;transform:scale(.97);
  background-image:
    linear-gradient(var(--cyan),var(--cyan)),linear-gradient(var(--cyan),var(--cyan)),
    linear-gradient(var(--cyan),var(--cyan)),linear-gradient(var(--cyan),var(--cyan)),
    linear-gradient(var(--cyan),var(--cyan)),linear-gradient(var(--cyan),var(--cyan)),
    linear-gradient(var(--cyan),var(--cyan)),linear-gradient(var(--cyan),var(--cyan));
  background-repeat:no-repeat;
  background-size:14px 2px,2px 14px,14px 2px,2px 14px,14px 2px,2px 14px,14px 2px,2px 14px;
  background-position:0 0,0 0,100% 0,100% 0,0 100%,0 100%,100% 100%,100% 100%;
  filter:drop-shadow(0 0 6px rgba(0,229,255,.65));
}
.tilt-card:hover .fx-glow,.svc-item:hover .fx-glow,.info-card:hover .fx-glow,
.stat-card:hover .fx-glow,.feature-item:hover .fx-glow,.mission-card:hover .fx-glow{opacity:1}
.tilt-card:hover .fx-corners,.svc-item:hover .fx-corners,.info-card:hover .fx-corners,
.stat-card:hover .fx-corners,.feature-item:hover .fx-corners,.mission-card:hover .fx-corners{
  opacity:1;transform:scale(1);
}
.tilt-card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,229,255,.85),transparent);
  opacity:0;transition:opacity .35s;
}
.tilt-card:hover::after{opacity:1}
.tilt-card:hover .card-icon{box-shadow:0 0 26px rgba(0,229,255,.45);transform:translateY(-2px)}
.card-icon{transition:box-shadow .35s,transform .35s}
.card-icon::after{
  content:"";position:absolute;inset:-5px;border-radius:16px;border:1px dashed rgba(34,211,238,.4);
  animation:spin 18s linear infinite;opacity:.65;
}
.stat-card{background:linear-gradient(180deg,rgba(18,30,58,.62),rgba(13,22,44,.5));backdrop-filter:blur(12px)}
.stat-card::after{
  content:"";position:absolute;left:12%;right:12%;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.75;
}
.stat-num{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 16px rgba(0,229,255,.35));
}
.feature-num{position:relative;z-index:1}
.feature-item::after{
  content:"";position:absolute;right:-30px;bottom:-30px;width:110px;height:110px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.16),transparent 68%);
  opacity:0;transition:opacity .4s;
}
.feature-item:hover::after{opacity:1}

/* ---------- 8. 服务条目：左侧能量条 ---------- */
.svc-item::before{
  content:"";position:absolute;left:0;top:14%;bottom:14%;width:2px;border-radius:2px;
  background:var(--grad);transform:scaleY(.2);transform-origin:center;opacity:.5;
  transition:transform .4s,opacity .4s;
}
.svc-item:hover::before{transform:scaleY(1);opacity:1;box-shadow:0 0 14px rgba(0,229,255,.7)}

/* ---------- 9. 时间线：脉冲光环 + 能量流动 ---------- */
.timeline::before{animation:flowY 4.5s linear infinite;background:linear-gradient(var(--cyan),var(--violet),var(--cyan))}
@keyframes flowY{0%{background-position:0 0}100%{background-position:0 200px}}
.tl-dot{position:absolute}
.tl-dot::after{
  content:"";position:absolute;inset:-7px;border-radius:50%;border:1px solid var(--cyan);opacity:.6;
  animation:ringPulse 2.8s ease-out infinite;
}
.tl-item:nth-child(2n) .tl-dot::after{border-color:var(--violet)}

/* ---------- 10. 终端：扫描线 + 逐行点亮 ---------- */
.terminal{position:relative}
.terminal::after{
  content:"";position:absolute;left:0;right:0;height:90px;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(0,229,255,.07),transparent);
  animation:termScan 7s linear infinite;
}
@keyframes termScan{0%{transform:translateY(-90px)}100%{transform:translateY(420px)}}
.term-line{opacity:0;transform:translateX(-6px);transition:opacity .35s ease,transform .35s ease}
.term-line.lit{opacity:1;transform:none}
.term-line:nth-child(2) .t-cyan{text-shadow:0 0 12px rgba(34,211,238,.6)}

/* ---------- 11. 表单 / 二维码 精修 ---------- */
.form-panel{position:relative}
.form-panel::after,.qr-card::after{
  content:"";position:absolute;inset:-1px;border-radius:inherit;pointer-events:none;
  background:linear-gradient(140deg,rgba(0,229,255,.35),transparent 34%,transparent 66%,rgba(168,85,247,.32));
  mask:linear-gradient(#000,#000) content-box,linear-gradient(#000,#000);
  -webkit-mask:linear-gradient(#000,#000) content-box,linear-gradient(#000,#000);
  mask-composite:exclude;-webkit-mask-composite:xor;
  padding:1px;opacity:.75;
}
.qr-box{animation:qrGlow 4s ease-in-out infinite}
@keyframes qrGlow{
  0%,100%{box-shadow:0 0 34px rgba(34,211,238,.28)}
  50%{box-shadow:0 0 58px rgba(34,211,238,.55)}
}
.field input:focus,.field select:focus,.field textarea:focus{
  box-shadow:0 0 0 3px rgba(34,211,238,.14),0 0 22px rgba(0,229,255,.22);
}

/* ---------- 12. 数据跑马灯 ---------- */
.fx-ticker{
  position:relative;z-index:2;overflow:hidden;padding:13px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(90deg,rgba(0,229,255,.07),rgba(59,130,246,.05),rgba(168,85,247,.07));
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.fx-ticker .tk-track{display:flex;gap:46px;width:max-content;white-space:nowrap;animation:tkScroll 34s linear infinite}
.fx-ticker:hover .tk-track{animation-play-state:paused}
@keyframes tkScroll{to{transform:translateX(-50%)}}
.fx-ticker .tk-item{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:2px;color:var(--txt-3);
}
.fx-ticker .tk-item::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 10px var(--cyan);flex:none;
}
.fx-ticker .tk-item b{color:var(--cyan);font-weight:600;letter-spacing:1px}

/* ---------- 13. 开场 Boot（仅首页首次） ---------- */
.fx-boot{
  position:fixed;inset:0;z-index:400;background:#04070f;display:grid;place-items:center;
  transition:opacity .55s ease,visibility .55s ease;
}
.fx-boot.done{opacity:0;visibility:hidden}
.fx-boot .boot-inner{width:min(300px,68vw);text-align:center;font-family:var(--font-mono)}
.fx-boot .boot-mark{
  width:74px;height:74px;margin:0 auto 20px;border-radius:20px;background:#fff;
  display:grid;place-items:center;box-shadow:0 0 44px rgba(0,229,255,.45);animation:corePulse 3s ease-in-out infinite;
}
.fx-boot .boot-mark img{width:100%;height:100%;object-fit:contain;padding:10px;box-sizing:border-box}
.fx-boot .boot-bar{height:2px;border-radius:2px;background:rgba(56,189,248,.16);overflow:hidden;margin-top:20px}
.fx-boot .boot-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#00e5ff,#3b82f6,#a855f7);animation:bootFill 1.05s cubic-bezier(.4,0,.2,1) forwards}
@keyframes bootFill{to{width:100%}}
.fx-boot .boot-txt{font-size:11.5px;letter-spacing:3.5px;color:var(--txt-3);margin-top:12px;text-transform:uppercase}
.fx-boot .boot-name{font-size:14px;letter-spacing:5px;color:var(--cyan);margin-top:6px}

/* ---------- 14. 页面进入 & 滚动显现增强 ---------- */
body{animation:pageIn .55s ease both}
@keyframes pageIn{from{opacity:0}to{opacity:1}}
.ghost-section{filter:blur(7px);transition:opacity .82s cubic-bezier(.2,.72,.2,1),transform .82s cubic-bezier(.2,.72,.2,1),filter .82s cubic-bezier(.2,.72,.2,1)}
.ghost-section.in{filter:none}
.cta-panel::after{
  content:"";position:absolute;inset:-40% -10%;pointer-events:none;
  background:conic-gradient(from 0deg,transparent,rgba(0,229,255,.14),transparent 30%);
  animation:spin 14s linear infinite;
}
.cta-panel .cta-title,.cta-panel .cta-sub,.cta-panel .cta-actions{position:relative;z-index:1}
.stats-band{position:relative;overflow:hidden}
.stats-band::after{
  content:"";position:absolute;top:0;left:-40%;width:40%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(0,229,255,.14),transparent);
  transform:skewX(-18deg);animation:bandShine 6s ease-in-out infinite;
}
@keyframes bandShine{0%{left:-45%}55%,100%{left:125%}}

/* ---------- 15. 无障碍降级 ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .fx-sweep,.fx-scan,.fx-radar,.fx-ticks{display:none}
  .ghost-section{opacity:1;transform:none;filter:none}
  .term-line{opacity:1;transform:none}
  .fx-boot{display:none}
}

/* ---------- 16. 移动端减负 ---------- */
@media(max-width:720px){
  .fx-sweep,.fx-radar,.fx-ticks,.fx-vignette{display:none}
  .fx-aurora{filter:blur(30px);opacity:.75}
  .fx-ticker .tk-track{animation-duration:24s}
  .card-icon::after{display:none}
  .cta-panel::after{display:none}
}

/* =========================================================
   内容模块（v3）· 服务说明 / 交付标准 / 作业流程 / 场景
   技术墙 / 选择指南 / 团队构成 / 表格 / FAQ
   ========================================================= */

/* ---------- 服务说明 + 交付标准 ---------- */
.detail-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:32px;align-items:start}
.detail-main{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 34px;backdrop-filter:blur(10px);position:relative;overflow:hidden;
}
.detail-main::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:2px;border-radius:2px;background:var(--grad);opacity:.8}
.detail-main p{color:var(--txt-2);font-size:15.5px;line-height:1.95;margin-bottom:16px}
.detail-main p:last-of-type{margin-bottom:0}
.tech-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px;padding-top:22px;border-top:1px dashed rgba(56,189,248,.22)}
.tech-chip{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.4px;color:var(--cyan);
  background:rgba(34,211,238,.08);border:1px solid var(--line);border-radius:8px;padding:5px 11px;transition:.25s;
}
.tech-chip:hover{border-color:var(--cyan);background:rgba(34,211,238,.16);box-shadow:0 0 16px rgba(0,229,255,.28)}
.side-card{
  background:var(--panel-2);border:1px solid var(--line-strong);border-radius:var(--radius);
  padding:26px 24px;backdrop-filter:blur(12px);position:sticky;top:100px;
}
.side-card h3{display:flex;align-items:center;gap:10px;font-size:17px;margin-bottom:18px}
.side-card h3 svg{width:20px;height:20px;color:var(--cyan);flex:none}
.check-list{list-style:none;display:grid;gap:13px}
.check-list li{position:relative;padding-left:25px;color:var(--txt-2);font-size:14px;line-height:1.8}
.check-list li::before{
  content:"";position:absolute;left:1px;top:9px;width:12px;height:6px;
  border-left:2px solid var(--mint);border-bottom:2px solid var(--mint);
  transform:rotate(-45deg);border-radius:1px;
}

/* ---------- 作业流程 ---------- */
.flow-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.flow-row::before{
  content:"";position:absolute;top:52px;left:8%;right:8%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.55),rgba(168,85,247,.5),transparent);
}
.flow-item{
  position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 22px 24px;backdrop-filter:blur(10px);transition:.35s;overflow:hidden;
}
.flow-item::after{
  content:"";position:absolute;right:-34px;bottom:-34px;width:110px;height:110px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.16),transparent 70%);opacity:0;transition:opacity .4s;
}
.flow-item:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.flow-item:hover::after{opacity:1}
.flow-idx{
  position:relative;z-index:1;display:inline-grid;place-items:center;width:46px;height:46px;border-radius:13px;
  font-family:var(--font-mono);font-weight:800;font-size:15px;color:#04121f;background:var(--grad);
  box-shadow:0 6px 20px rgba(0,229,255,.34);margin-bottom:16px;
}
.flow-item h3{font-size:16.5px;margin-bottom:9px;position:relative;z-index:1}
.flow-item p{color:var(--txt-2);font-size:13.5px;line-height:1.85;position:relative;z-index:1}

/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scene-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  backdrop-filter:blur(10px);transition:.35s;position:relative;overflow:hidden;
}
.scene-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.scene-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:15px;
  background:rgba(34,211,238,.1);border:1px solid var(--line-strong);color:var(--cyan);transition:.35s;
}
.scene-card:hover .scene-icon{box-shadow:0 0 24px rgba(0,229,255,.4);transform:translateY(-2px)}
.scene-icon svg{width:22px;height:22px}
.scene-card h3{font-size:16px;margin-bottom:8px}
.scene-card p{color:var(--txt-2);font-size:13.5px;line-height:1.85}

/* ---------- 技术墙 ---------- */
.tech-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tech-card{
  background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px;
  display:flex;flex-direction:column;gap:6px;transition:.3s;position:relative;overflow:hidden;
}
.tech-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--grad);opacity:0;transition:opacity .3s}
.tech-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--glow)}
.tech-card:hover::before{opacity:1}
.tech-card b{font-family:var(--font-mono);font-size:14px;font-weight:700;color:var(--cyan);letter-spacing:.3px}
.tech-card span{color:var(--txt-3);font-size:12.5px;line-height:1.6}

/* ---------- 选择指南 / 团队构成 ---------- */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.org-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.guide-card,.org-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  position:relative;overflow:hidden;transition:.35s;backdrop-filter:blur(10px);
}
.guide-card:hover,.org-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.guide-idx{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;
  letter-spacing:2px;color:var(--cyan);margin-bottom:12px;
}
.guide-idx::after{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent)}
.guide-card h3,.org-card h3{font-size:17px;margin-bottom:10px}
.guide-card p,.org-card p{color:var(--txt-2);font-size:13.8px;line-height:1.9}
.org-icon{
  width:48px;height:48px;border-radius:13px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(34,211,238,.1);border:1px solid var(--line-strong);color:var(--cyan);
}
.org-icon svg{width:23px;height:23px}
.guide-cta{text-align:center;margin-top:30px}
.grid-note{text-align:center;color:var(--txt-3);font-size:13.5px;line-height:1.95;margin-top:24px}
.grid-note b{color:var(--cyan);font-weight:600}

/* ---------- 表格 ---------- */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);backdrop-filter:blur(10px);
}
.join-table{width:100%;border-collapse:collapse;min-width:640px}
.join-table th,.join-table td{padding:14px 18px;text-align:left;font-size:14px;border-bottom:1px solid rgba(56,189,248,.12)}
.join-table thead th{
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--cyan);background:rgba(34,211,238,.06);white-space:nowrap;
}
.join-table tbody tr{transition:background .25s}
.join-table tbody tr:hover{background:rgba(34,211,238,.05)}
.join-table tbody tr:last-child td{border-bottom:none}
.join-table td{color:var(--txt-2)}
.join-table td:first-child{color:var(--txt);font-weight:600;white-space:nowrap}
.table-note{color:var(--txt-3);font-size:13px;line-height:1.9;margin-top:14px;text-align:center}

/* ---------- FAQ 手风琴 ---------- */
.faq-list{max-width:880px;margin:0 auto;display:grid;gap:12px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .3s,background .3s,box-shadow .3s;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{border-color:var(--line-strong);background:var(--panel-2);box-shadow:0 0 28px rgba(0,229,255,.10)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;padding:18px 56px 18px 22px;
  font-size:15.5px;font-weight:600;transition:color .25s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{display:none;content:""}
.faq-item summary:hover{color:var(--cyan)}
.faq-item[open] summary{color:var(--cyan)}
.faq-mark{position:absolute;right:22px;top:50%;width:14px;height:14px;transform:translateY(-50%)}
.faq-mark::before,.faq-mark::after{
  content:"";position:absolute;left:0;top:50%;width:14px;height:2px;border-radius:2px;
  background:var(--cyan);transition:transform .3s ease;box-shadow:0 0 8px rgba(0,229,255,.7);
}
.faq-mark::after{transform:rotate(90deg)}
.faq-item[open] .faq-mark::after{transform:rotate(0deg)}
.faq-body{padding:0 22px 20px;color:var(--txt-2);font-size:14.5px;line-height:1.95;animation:faqIn .38s ease both}
.faq-body p{margin:0}
@keyframes faqIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* ---------- 细节打磨 ---------- */
.sec-title,.page-title,.hero-title{text-wrap:balance}
.sec-sub,.page-desc{text-wrap:pretty}
.detail-grid,.flow-row,.scene-grid,.tech-wall,.guide-grid,.org-grid,.table-wrap,.faq-list{scroll-margin-top:100px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
.nav-links a:focus-visible,.btn:focus-visible{outline-offset:5px}
a[href^="tel"],a[href^="mailto"]{white-space:nowrap}

/* 回到顶部 */
.fx-top{
  position:fixed;right:24px;bottom:28px;z-index:150;width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;cursor:pointer;border:1px solid var(--line-strong);
  background:rgba(8,16,34,.82);backdrop-filter:blur(12px);color:var(--cyan);
  opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .35s,visibility .35s,transform .35s,box-shadow .3s,background .3s;
}
.fx-top.show{opacity:1;visibility:visible;transform:none}
.fx-top:hover{background:rgba(10,22,44,.95);box-shadow:0 0 26px rgba(0,229,255,.45);border-color:var(--cyan)}
.fx-top svg{width:20px;height:20px}

/* ---------- 新版块响应式 ---------- */
@media(max-width:1024px){
  .detail-grid{grid-template-columns:1fr;gap:24px}
  .side-card{position:static}
  .flow-row{grid-template-columns:repeat(2,1fr)}
  .flow-row::before{display:none}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .tech-wall{grid-template-columns:repeat(3,1fr)}
  .guide-grid{grid-template-columns:1fr}
  .org-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  .flow-row,.scene-grid,.tech-wall,.org-grid{grid-template-columns:1fr}
  .detail-main{padding:24px 20px}
  .side-card{padding:22px 18px}
  .faq-item summary{font-size:15px;padding:16px 50px 16px 18px}
  .faq-body{padding:0 18px 18px}
  .fx-top{right:16px;bottom:18px;width:42px;height:42px}
  .tech-card{padding:16px 18px}
}